Water
A simple hydride, H2O, 18.015 g/mol. Boiling point 212 °F at 760 mmHg, melting point 32 °F, as published. Appears in 550 documented reactions across 4 classes.
Identifiers
- Molecular formula
- H₂O
- Molecular weight
- 18.015 g/mol
- Exact mass
- 18.010565 g/mol
- IUPAC name
- oxidane
- O
- InChI=1S/H2O/h1H2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N
Measured properties
- Boiling Point
- 212 °F at 760 mmHg
- 100
- Melting Point
- 32 °F
- 0
- Density
- 1
- 0.9950 g/cu cm at 25 °C
- Solubility
- Completely miscible
- Water dissolves some amount of virtually every solid or gas with wich it comes in contact.
- Vapor Pressure
- 23.75 [mmHg]
- VP: 760 mm Hg at 100 °C
- LogP
- -1.38
Calculated properties
- Molecular weight
- 18.015 g/mol
- Exact mass
- 18.010564683 Da
- XLogP3
- -0.5
- Polar surface area
- 1 Ų
- Complexity
- 0
- H-bond donors
- 1
- H-bond acceptors
- 1
- logP
- -0.8247
- Topological polar surface area
- 31.5 Ų
- H-bond donors
- 0
- H-bond acceptors
- 0
- Rotatable bonds
- 0
- Molar refractivity
- 3.6138 cm³/mol
- Fraction sp³ carbons
- 0
- QED drug-likeness
- 0.3277
What it is made of
Elements
Structure
- Heavy atoms, hydrogen excluded
- 1
- Total atoms, hydrogen included
- 3
- Rings
- 0
- Aromatic rings
- 0
- Stereocentres
- 0
- Formal charge
- 0
The molecule in three dimensions
The drawing above is a diagram of what is bonded to what. A molecule is not flat, and the model here is one low-energy shape generated from the connectivity — useful for seeing which groups can reach each other, and not a measured structure. A real sample is a population of conformations, interconverting.
Reactions it appears in
550 documented reactions involve Water, each with a written procedure and a source across 4 classes. A few from each are shown.
Suzuki–Miyaura coupling
Suzuki–Miyaura coupling · as a reagent
A recorded experiment with its conditions, its yield where one was published, and a link to the source.
Combustion of methane
Combustion · as a product
A recorded experiment with its conditions, its yield where one was published, and a link to the source.
Hydration of ethene to ethanol
Addition · as a reactant
A recorded experiment with its conditions, its yield where one was published, and a link to the source.
Esterification of acetic acid with ethanol
Esterification · as a product
A recorded experiment with its conditions, its yield where one was published, and a link to the source.
Suzuki–Miyaura coupling
Suzuki–Miyaura coupling · as a reagent
A recorded experiment with its conditions, its yield where one was published, and a link to the source.
Formation of water from hydrogen and oxygen
Combustion · as a product
A recorded experiment with its conditions, its yield where one was published, and a link to the source.
Suzuki–Miyaura coupling
Suzuki–Miyaura coupling · as a reagent
A recorded experiment with its conditions, its yield where one was published, and a link to the source.
All 36 suzuki–miyaura coupling recordsAll 2 combustion recordsAll 1 addition recordsAll 1 esterification records
Other names for it
The systematic name on this record is oxidane.
The sources also call it Distilled water, Dihydrogen oxide, Purified water, Sterile water, Water vapor, Water, deionized, oxidane, aqua, Water, mineral, Water, purified, Dihydrogen Monoxide.
Structurally related
Seen alongside it in reaction records
Molecules that appear in the same recorded reactions as Water. This says nothing about structure: most of them are the bases, solvents, ligands and catalysts the chemistry needed, and they are here because somebody put them in the same flask.
Where these values came from
chemistry engine
What this page does not claim
Identifiers are copied from the source record, measured values are reported as published, and calculated values are marked as calculated. Nothing here is a hazard, purity or handling assessment — how the library is checked.
Where to next
More molecules under W
The rest of this shelf, a hundred names at a time.
Molar mass calculator
Work with H2O in a calculation, with every element's contribution shown.
Molarity calculator
Grams of Water for a volume and a concentration, or the concentration a mass gives.
Open in ReactionLens
The full record in the workstation: every atom, every bond, and the reactions it appears in.